A fingerprint module includes a substrate, a plurality of fingerprint identification components, a fingerprint chip, and a plurality of metal wires. The substrate has an identification area configured to identify a fingerprint and a non-identification area located at a periphery of the identification area. The fingerprint identification components are disposed in the identification area of the substrate. The fingerprint chip is disposed in a non-identification area of the substrate. Each of the fingerprint identification components is electrically connected to the fingerprint chip through a corresponding metal wire.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A display device, comprising: a fingerprint module, a display panel, and a backlight module, which are sequentially stacked, wherein the fingerprint module comprises: a substrate having an identification area configured to identify a fingerprint and a non-identification area located at a periphery of the identification area; a plurality of fingerprint identification components disposed in the identification area of the substrate; a fingerprint chip disposed in the non-identification area of the substrate; and a plurality of metal wires, each of the fingerprint identification components electrically connected to the fingerprint chip through a corresponding metal wire; wherein the display device further comprises a first light guide plate and an infrared light emitting diode, the first light guide plate is disposed between the display panel and the fingerprint module, and the infrared light emitting diode is disposed at a side of the first light guide plate.
A display device integrates a fingerprint module, a display panel, and a backlight module in a stacked configuration. The fingerprint module includes a substrate with an identification area for fingerprint recognition and a non-identification area at its periphery. Multiple fingerprint identification components are positioned within the identification area, while a fingerprint chip is placed in the non-identification area. Each fingerprint identification component is electrically connected to the fingerprint chip via dedicated metal wires. The device also features a first light guide plate positioned between the display panel and the fingerprint module, along with an infrared light emitting diode located at the side of the light guide plate. This design enables seamless integration of fingerprint recognition functionality within a display device, enhancing security and user convenience. The infrared light emitting diode and light guide plate facilitate improved fingerprint detection by providing uniform illumination, ensuring accurate and reliable identification. The stacked arrangement optimizes space utilization while maintaining the device's slim profile. This technology addresses the need for secure, integrated biometric authentication in modern display devices, particularly for applications requiring high-security access control.
2. The display device according to claim 1 , wherein material of the fingerprint identification component comprises lead sulfide, indium antimonide, antimony doped gold, antimony doped mercury, antimony tin lead, or mercury cadmium telluride.
A display device integrates a fingerprint identification component to enhance security and user interaction. The fingerprint identification component is embedded within the display panel, allowing for seamless and unobtrusive biometric authentication. The material of the fingerprint identification component is selected from lead sulfide, indium antimonide, antimony-doped gold, antimony-doped mercury, antimony-tin-lead, or mercury cadmium telluride. These materials are chosen for their high sensitivity and efficiency in detecting fingerprint patterns, ensuring accurate and reliable identification. The integration of the fingerprint identification component within the display panel eliminates the need for a separate fingerprint sensor, reducing device complexity and improving aesthetics. The display device may also include a touch-sensitive layer for additional user input functionality. The fingerprint identification component operates by capturing detailed fingerprint images, which are then processed to verify user identity. This technology is particularly useful in smartphones, tablets, and other portable electronic devices where secure and convenient authentication is required. The use of advanced semiconductor materials ensures high performance and durability, making the fingerprint identification component suitable for long-term use.
3. The display device according to claim 1 , wherein the fingerprint identification components are arranged in a matrix.
A display device integrates fingerprint identification components into a display panel to enable secure user authentication. The device includes a display panel with an array of fingerprint identification components arranged in a matrix configuration. These components are embedded within the display panel, allowing for seamless integration without requiring a separate fingerprint sensor. The matrix arrangement ensures high-resolution fingerprint scanning across the display surface, improving accuracy and coverage. The display panel may also include additional layers, such as a touch-sensitive layer, to support multi-functional interactions. The fingerprint identification components are capable of capturing detailed fingerprint data, which is then processed to authenticate users or authorize actions. This integration enhances security by eliminating the need for external sensors while maintaining the display's functionality. The matrix layout ensures uniform distribution of fingerprint sensors, reducing blind spots and improving overall performance. The device may also include processing circuitry to analyze the captured fingerprint data in real-time, enabling quick and secure authentication. This technology is particularly useful in smartphones, tablets, and other portable devices where space efficiency and seamless user interaction are critical.
4. The display device according to claim 1 , wherein the backlight module comprises a white light emitting diode and an infrared light emitting diode.
A display device incorporates a backlight module that includes both a white light emitting diode (LED) and an infrared (IR) LED. The backlight module provides illumination for the display, where the white LED generates visible light for standard display functionality, while the IR LED emits infrared light for additional applications. This dual-LED configuration enables the display to operate in both visible and infrared light modes, allowing for enhanced functionality such as night vision, security imaging, or augmented reality overlays. The IR LED can be activated independently or in conjunction with the white LED to achieve specific lighting conditions. The display device may further include a control system to manage the intensity and timing of the LEDs, ensuring optimal performance for different use cases. This design improves versatility by integrating multiple lighting sources into a single backlight module, eliminating the need for separate infrared lighting components. The combination of visible and infrared light sources in the backlight module enhances the display's adaptability for various environments and applications, including low-light conditions or specialized imaging tasks.
5. The display device according to claim 4 , wherein the backlight module comprises a light guide plate, and the white light emitting diode and the infrared light emitting diode are disposed at a side of the light guide plate.
A display device includes a backlight module with a light guide plate and multiple light-emitting diodes (LEDs) positioned at one side of the light guide plate. The LEDs include at least one white light-emitting diode (WLED) and at least one infrared light-emitting diode (ILED). The backlight module is configured to emit both visible and infrared light, which can be used for display purposes and additional functionalities such as infrared sensing or authentication. The light guide plate distributes the emitted light evenly across the display area. The device may also include a display panel, such as a liquid crystal display (LCD), that modulates the light from the backlight module to produce images. The combination of visible and infrared light emission allows the display to serve dual purposes, enhancing functionality beyond traditional display applications. The infrared light can be used for proximity sensing, gesture recognition, or secure authentication, while the visible light provides standard display output. This design integrates multiple light sources into a single backlight module, optimizing space and efficiency in the display device.
6. The display device according to claim 1 , wherein the backlight module comprises a white light emitting diode and a second light guiding plate, and the white light emitting diode is disposed at a side of the second light guiding plate.
A display device includes a backlight module with a white light emitting diode (LED) and a second light guiding plate. The white LED is positioned at a side of the second light guiding plate to provide illumination. The device may also include a first light guiding plate and a color conversion layer, where the first light guiding plate guides light from the white LED to the color conversion layer. The color conversion layer converts the white light into a desired color spectrum for display purposes. The backlight module may further include a reflective layer to enhance light efficiency by redirecting stray light back toward the light guiding plates. The display device may also incorporate a liquid crystal display (LCD) panel that modulates the light from the backlight module to produce images. The overall system ensures uniform and efficient light distribution, improving display quality and energy efficiency. The design addresses challenges in achieving consistent color output and minimizing light loss in backlit displays.
7. The display device according to claim 1 , further comprising a first optical adhesive layer disposed between the fingerprint module and the display panel.
A display device integrates a fingerprint module with a display panel to enable in-display fingerprint recognition. The fingerprint module is positioned beneath the display panel, allowing users to authenticate by placing a finger on the display surface. The device addresses the challenge of integrating fingerprint sensing with high-resolution displays while maintaining optical clarity and touch responsiveness. The fingerprint module includes an optical sensor array that captures fingerprint patterns through the display panel, which may include a transparent or semi-transparent structure to allow light to pass through for imaging. The display panel may be an organic light-emitting diode (OLED) or liquid crystal display (LCD) with a touch-sensitive layer. The device ensures seamless user interaction by synchronizing the display and fingerprint sensing functions, preventing interference between the two. A first optical adhesive layer is disposed between the fingerprint module and the display panel to enhance optical coupling, reducing reflections and improving light transmission for accurate fingerprint imaging. This adhesive layer ensures proper alignment and minimizes air gaps that could degrade sensor performance. The device may also include additional layers, such as a protective cover glass, a touch sensor layer, and a polarizer, to maintain display quality while enabling reliable fingerprint detection. The system optimizes both visual output and biometric security in a compact form factor.
8. The display device according to claim 1 , further comprising a cover plate disposed on the fingerprint module.
A display device with integrated fingerprint recognition includes a fingerprint module embedded within the display panel to capture fingerprint data through the display surface. The device also features a cover plate positioned over the fingerprint module to protect it from external damage while maintaining optical transparency for fingerprint sensing. The fingerprint module is configured to detect fingerprint patterns by analyzing light reflections or other sensing mechanisms through the display panel. The cover plate ensures durability and prevents contamination of the fingerprint sensor while allowing uninterrupted operation. This design enables seamless integration of biometric authentication into the display, enhancing security and user convenience without compromising the display's functionality. The system may also include additional components such as a control circuit to process the captured fingerprint data and authenticate users. The cover plate is designed to be optically compatible with the display panel to avoid interference with the fingerprint sensing process. This technology addresses the challenge of integrating fingerprint recognition into modern displays while maintaining structural integrity and performance.
9. The display device according to claim 8 , further comprising a second optical adhesive layer disposed between the cover plate and the fingerprint module.
A display device includes a cover plate, a fingerprint module, and a first optical adhesive layer between them. The cover plate has a light-transmitting region aligned with the fingerprint module to allow optical signals to pass through for fingerprint detection. The fingerprint module includes a light source and a light sensor array to capture fingerprint images. The device also includes a second optical adhesive layer between the cover plate and the fingerprint module, enhancing optical coupling and reducing reflections or light loss. This configuration improves fingerprint detection accuracy by ensuring efficient light transmission and minimizing interference. The optical adhesive layers are designed to match the refractive indices of the cover plate and fingerprint module, reducing internal reflections and improving signal clarity. The fingerprint module may include additional components such as a light guide plate or a prism to direct light toward the sensor array. The cover plate is typically made of a transparent material like glass or plastic, while the optical adhesive layers are optically clear and durable. This design is particularly useful in smartphones, tablets, or other devices requiring integrated fingerprint sensors under a display. The second optical adhesive layer further optimizes optical performance by ensuring consistent light transmission and reducing air gaps that could cause scattering or distortion.
10. The display device according to claim 1 , wherein the display panel comprises an upper polarizer, a first substrate, a liquid crystal layer, a second substrate, and a lower polarizer, which are sequentially stacked.
A display device includes a display panel with multiple layers arranged in a specific sequence to improve optical performance. The panel comprises an upper polarizer, a first substrate, a liquid crystal layer, a second substrate, and a lower polarizer, stacked sequentially. The upper polarizer is positioned on the outermost layer to reduce glare and enhance contrast. Below it, the first substrate provides structural support and houses components like thin-film transistors or color filters. The liquid crystal layer, sandwiched between the first and second substrates, modulates light to form images. The second substrate, positioned beneath the liquid crystal layer, further supports the display structure. Finally, the lower polarizer, placed at the bottom, polarizes light before it exits the panel, ensuring uniform brightness and color accuracy. This layered configuration optimizes light transmission, contrast, and viewing angles, addressing issues like backlight leakage and color distortion in conventional displays. The sequential arrangement ensures efficient light modulation while maintaining durability and performance.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
November 23, 2018
April 12, 2022
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.